APA aipamena

Griffith,Ernest S. (1963). The American system of government. Methuen and company.

Chicago Style aipamena

Griffith,Ernest S. The American System of Government. London: Methuen and company, 1963.

MLA aipamena

Griffith,Ernest S. The American System of Government. Methuen and company, 1963.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.